div,
ul,
li,
p,
body,
html,
h1,
h2,
h3,
h4,
h5,
h6,
input,
textarea {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: '微软雅黑';
}

ul, li {
  list-style: none;
}

html,
body {
  height: 100%;
  width: 100%;
}